Identify the gland that produces and releases a hormone that raises blood calcium levels.
A.)pancreas
B.)thyroid
C.)parathyroid
D.)hypothalamus
C.)parathyroid
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Which would result in the greatest stimulation of aldosterone secretion?
A. Decreasing plasma K+ concentration and increasing plasma angiotensin II concentration B. Increasing plasma K+ concentration and increasing plasma angiotensin II concentration C. Increasing plasma Na+ concentration and increasing plasma volume D. Increasing plasma K+ concentration and decreasing plasma angiotensin II concentration E. Decreasing plasma Na+ concentration and decreasing plasma angiontensin II concentration
Which of the following regions of the pharynx is correctly described?
A) oropharynx - the area behind the mouth B) laryngopharynx - area behind the nose C) nasopharynx - area where the pharynx divides into the larynx and esophagus
After puberty, which epithelium lines the vagina?
A. Simple cuboidal epithelium B. Simple columnar epithelium C. Stratified squamous epithelium D. Simple squamous epithelium E. Transitional epithelium
Severe anemia may trigger an adaptive conversion of
A. yellow marrow to red marrow. B. red marrow to yellow marrow. C. spongy bone to compact bone. D. bone marrow to spongy bone.